Caroline and Mama make a dangerous trip across Lake Ontario to the British fort where Papa is a prisoner. When Mama isn’t allowed to see Papa, it’s up to Caroline to pass a secret message to him—right under the nose of a British guard. Caroline hopes desperately that Papa will be able to use the information to escape. But can she get the message to him? And even if she does, will Papa understand it? When Caroline and Mama return home, all they can do is wait and hope. On Caroline’s birthday, an unexpected gift lifts her heart.